Question

1. Find the value of (m+1/m)^2 if m^2 + 1/m^2 =18.
2.Find the value of a + 1/a if a^2 + 1/a^2 =7.
3.If a^2+1/a^2 =11, find the value of a - 1/a.
​

Answer 1

Answer:

sorry

Step-by-step explanation:

I don't know answer.

it is difficult for me.